let sj:number[]=[1,2,3,4,5]
let b=0;

sj.forEach((value, index) => {
    b+=value
})
console.log(b);


let qc:number[]=[1,2,3,4,5,1,2,3]
let qc1:number[]=[]
qc.forEach((value:number, index:number) => {
    if(!qc1.includes(value)){
qc1.push(value)
}  
})

console.log(qc1);
